# matrix-synapse 1.53.0-1ubuntu0.1~esm2: matrix-synapse 1.53.0-1ubuntu0.1~esm2 for Ubuntu 22.04.1 LTS (jammy)

matrix-synapse 1.53.0-1ubuntu0.1~esm2, released December 3, 2024, fixes 8 CVEs in matrix-synapse. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-jammy-matrix-synapse-1.53.0-1ubuntu0.1-esm2
- Platform: Linux
- Released: Dec 3, 2024
- Priority: Urgent (Closes CVE-2024-53863, rated Critical)
- CVEs: 8, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [matrix-synapse](https://patchblox.com/security/data/product/linux/matrix-synapse.md) | Ubuntu 22.04.1 LTS (jammy) | 1.53.0-1ubuntu0.1~esm2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2024-53863](https://patchblox.com/security/data/cve/CVE-2024-53863.md) | Urgent | matrix-synapse: Synapse is an open-source Matrix homeserver | 9.1 | 0.0061 |  |
| [CVE-2024-31208](https://patchblox.com/security/data/cve/CVE-2024-31208.md) | Routine | matrix-synapse: Synapse is an open-source Matrix homeserver | 6.5 | 0.0146 |  |
| [CVE-2023-43796](https://patchblox.com/security/data/cve/CVE-2023-43796.md) | Routine | matrix-synapse: Synapse is an open-source Matrix homeserver Prior to versions 1.95.1 and 1.96.0rc1, cached device information of remo... | 5.3 | 0.0120 |  |
| [CVE-2022-39374](https://patchblox.com/security/data/cve/CVE-2022-39374.md) | Routine | matrix-synapse: Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation | 6.5 | 0.0094 |  |
| [CVE-2023-42453](https://patchblox.com/security/data/cve/CVE-2023-42453.md) | Routine | matrix-synapse: Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation | 4.3 | 0.0078 |  |
| [CVE-2022-39335](https://patchblox.com/security/data/cve/CVE-2022-39335.md) | Routine | matrix-synapse: Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation | 5.0 | 0.0064 |  |
| [CVE-2023-32683](https://patchblox.com/security/data/cve/CVE-2023-32683.md) | Routine | matrix-synapse: Synapse is a Matrix protocol homeserver written in Python with the Twisted framework | 5.4 | 0.0061 |  |
| [CVE-2023-41335](https://patchblox.com/security/data/cve/CVE-2023-41335.md) | Routine | matrix-synapse: Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation | 3.7 | 0.0039 |  |

---

Data as of 2026-11-13T08:00:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.